[x+1]=-3

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Solution for [x+1]=-3 equation: 


Simplifying
[x + 1] = -3

Reorder the terms:
[1 + x] = -3

Remove brackets around [1 + x]
1 + x = -3

Solving
1 + x = -3

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + x = -3 + -1

Combine like terms: 1 + -1 = 0
0 + x = -3 + -1
x = -3 + -1

Combine like terms: -3 + -1 = -4
x = -4

Simplifying
x = -4

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